First evidence for the production of cylindrospermopsin and deoxy-cylindrospermopsin by the freshwater benthic cyanobacterium, Lyngbya wollei (Farlow ex Gomont) Speziale and Dyck

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Title First evidence for the production of cylindrospermopsin and deoxy-cylindrospermopsin by the freshwater benthic cyanobacterium, Lyngbya wollei (Farlow ex Gomont) Speziale and Dyck
Author Seifert, Mark; McGregor, Glenn; Eaglesham, Geoff; Wickramasinghe, Wasantha; Shaw, Glendon Reginald
Journal Name Harmful Algae
Year Published 2007
Place of publication Netherlands
Publisher Elsevier BV
Abstract Lyngbya wollei (Farlow ex Gomont) Speziale and Dyck is a common mat-forming benthic cyanobacterium from freshwater habitats. We found that two populations from southeast Queensland (Australia) produce the potent cyanotoxin cylindrospermopsin (CYN) and its analogue, deoxy-cylindrospermopsin (deoxy-CYN). The highest concentrations in environmental samples were 20 and 550 μg g−1 dry weight for CYN and deoxy-CYN, respectively. A sub-sample maintained in culture for over 16 months yielded concentrations of 33 and 308 μg g−1 dry weight for CYN and deoxy-CYN, respectively. The concentration of deoxy-CYN in L. wollei was 10–300 times higher than CYN, suggesting that, unlike many other CYN-producing cyanobacteria, the primary compound produced by L. wollei is deoxy-CYN. The production of CYN and deoxy-CYN by L. wollei represents a potential human health risk and an additional source of these toxins in freshwaters. This is the first report of the production of CYN and deoxy-CYN by L. wollei or any species of the Oscillatoriales.
Peer Reviewed Yes
Published Yes
Alternative URI http://dx.doi.org/10.1016/j.hal.2006.07.001
Volume 6
Page from 73
Page to 80
ISSN 1568-9883
Date Accessioned 2007-10-23
Date Available 2015-05-04T22:04:54Z
Language en_US
Faculty Faculty of Science, Environment, Engineering and Technology
Subject PRE2009-Phycology
URI http://hdl.handle.net/10072/16045
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1

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